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Faselase D20 User Manual

2d lidar
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Model: D20
2D
LiDAR
USER MANUAL
QUICK START
Make sure that the USB driver is installed and plug the USB cable into the PC,
Connect the device to power supply (+5V±10%, 3A),
Run our data acquisition and analysis software,
Then select the correct communication port and set the baud rate to 921600bps.
Press the start button " " and start to work!
(Version V8.01.8)
For more info & supports, please visit http://www.top1sensor.com

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Summary of Contents for Faselase D20

  • Page 1 Model: D20 LiDAR USER MANUAL QUICK START Make sure that the USB driver is installed and plug the USB cable into the PC, Connect the device to power supply (+5V±10%, 3A), Run our data acquisition and analysis software, Then select the correct communication port and set the baud rate to 921600bps.

  • Page 2: Table Of Contents

    Content 1. Specifications ......................1 2. Dimensional drawing ....................2 2.1 Rendering ......................2 2.2 Dimensions ......................2 3. Installation and connection ..................3 3.1 Installation ......................3 3.2 Connection ......................3 4. Software setting ......................4 4.1 Driver installation ....................4 4.2 Data acquisition ....................

  • Page 3: Specifications

    2D Lidar sensor 1. Specifications Items Parameters 0.15m~20m, 12m@10% Scanning range ± 3cm@20m@10Hz Measurement error Scanning angle range 360° Angle resolution 0.28° 10Hz Scanning frequency Measurement frequency 14.28Khz Output Interface Distance resolution Laser diode 905nm, ≤1mW; comply with GB7247.1-2001 Laser source Class 1 Laser Eye Safety Requirements DC 5V±...

  • Page 4: Dimensional Drawing

    2D Lidar sensor 2. Dimensional drawing 2.1 Rendering 2.2 Dimensions - 2-...

  • Page 5: Installation And Connection

    2D Lidar sensor 3. Installation and connection 3.1 Installation 3.2 Connection 3.2.1 Wiring diagram 3.2.2 Definitions of 10pin connection cable Function Color Notes DC power supply +5V +5V±10% White DC power ground Yellow Connect to external TTL Rx Green Connect to external TTL Tx Black Connect to internal GND - 3-...

  • Page 6: Software Setting

    To run ‘FaseLase LiDAR Point Cloud Data Acquisition and Analysis System.exe’ program, the communication settings window (see figure 1) will popup. First, select device D20. Second, select serial port number corresponding to the device. In fact, the serial port connected to the computer can automatically be identified by the program.
  • Page 7 2D Lidar sensor Figure 2: the monitoring interface After entering the monitoring window, click the right mouse button in the grid chart, select System Settings, change the maximum distance from the original 1000 to 2000 in System Settings, and then click Yes, then start to measure, the measured effect of the monitor window is as Figure 3...

  • Page 8: Communication Protocal

    2D Lidar sensor Figure 3:the measured results of the monitor window Click the save icon to display the number of points detected in the current circle and the distance and angle of each point. Click the right mouse button in the monitor interface to select ‘one dimensional display’ to observe the real-time data changes of each circle detection.
  • Page 9 2D Lidar sensor A3, A2, A1, A0, B6, ... B0, C6 are measured distances values (a total of 12 bits), its range is 0~4000cm . C5...C0, D6,...D0 are measured angle values (a total of 13 digits). Its range is 0~5759, the angular accuracy is 1/16 degree.

  • Page 10: Data Check Algorithm

    2D Lidar sensor 5.2 Data check algorithm Each character has 8 bits (bit7~bit0), each bit can be 0 or 1. The check bits A6,A5,A4 store the low 3 bit of sum of 1 of B,C,D 3 bytes, when check algorithm, first get the number of ‘1’ in the 3 bytes of B,C,D by looking up the table and then add them up, and then compare the lower 3 bits of the sum with A6,A5,A4, if they are consistent, output the measurement results unsigned char GetCrcPackage4Byte (unsigned char *buf)
  • Page 11 2D Lidar sensor //unsigned char orgcrc = (buf[0]>>4)&0x07; if( crcdata!= (buf[0]>>4)) return -1; //calculate the distance. A0,B6..B0,C6...C0 . distance = ((buf[0]&0x1)<<14)+(buf[1]&0x7F)<<7)+((buf[2]&0x7F)); return distance ; //buf is a data package pointer, which stores 4 bytes as A, B, C and D in order. //return the distance value, if data check is not correct, return -1 typedef struct{ int distance;...

  • Page 12: Trouble Shooting

    2D Lidar sensor if( buf[2]&0x40) distance ++; nodelist->distance = distance; //calculate angle angle = buf[2]&0x3F; angle <<= 7; angle += (buf[3]&0x7F); nodelist->Angle = angle; return true; Contact us to get more engineering cases and SDK packages supporting ROS drivers. 6. Trouble shooting 6.1 Factors affecting the measurement range The D10 is an optical measuring device whose measurement results are affected by environmental factors.

  • Page 13: Standard And Optional Accessories

    2D Lidar sensor 7. Standard and optional accessories Items Remarks 1 pc Data cable 1 pc TTL to USB convertor 1 pc DC +5V power adapter 1 pc Optional 8. Contact us Xi’an Zhizun International Trade Co.,Ltd Http://www.top1sensor.com Tel: +86-29-87858956 Fax: +86-29-87858956 Mobi:...

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